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Is all tanzanite heat treated?

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2008-07-19 09:27:16
2008-07-19 09:27:16

Although some dealers may tell you they have unheated stones, it is best to take this with a pinch of salt. The accepted wisdom is that all Tanzanite is heated. Unheated the stone is a brownish colour and only after heating does it go blue/violet. Some crystals have admittedly been heated in the ground and are already blue but will generally be heated again anyway as the color always improves further. Stones are heated at 600 degrees celcius in a gemological oven for a short time. Further information is available at <a href=http://www.lapigems.com/tanzanite.asp</a>

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Tanzanite quartz is similar in appearance to tanzanite but it is not the same gemstone. Tanzanite quartz can be a clear quartz treated to look like a tanzanite which is an expensive and rare gemstone or quartz.

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It has to do with the colour, the clarity, the faceting, if you can see all the way through the Tanzanite, chances are, it is not real

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The largest cut tanzanite in the world is the Ophir Tanzanite. The Ophir Tanzanite weighs 508.06 carats and has been recognized by GUINNESS WORLD RECORDS™ as the largest cut tanzanite in the world. The Ophir Tanzanite is owned by Ophir Collection, LLC.

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tanzanite is used for making jewellry

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Tanzanite are blue to purple colored silica. In natural form it is reddish on heat treatment it becomes a mixture of blue hues with violet and sometimes burgundy. In different lighting effects it appears different.

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It's just a name assigned to this color stone from Jewelry Television (JTV) with their trademark on it. They used to call it green tanzanite and claimed that it was a cross between tsavorite and tanzanite and now they are saying that they don't know what causes this color. Their are green tanzanites and even pink tanzanites but JTV calls them all ocean tanzanite.

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Actually neither term is correct. Tanzanite is a variety of the mineral Zoisite. Quartz and Diamond are minerals in their own right and there is absolutely no connection between the 3 of them. They all have unique physical and chemical properties. Anyone trying to sell "Tanzanite Quartz" is most likely selling Amethyst (Amethyst is the purple variety of Quartz) and anyone selling Tanzanite Diamond is simply being unscrupulous. There is no such thing. You might want to learn more about Tanzanite here on www.lapigems.com as they have extensive educational features.

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The gem mineral tanzanite would be classified as precious.

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No, "tanzanite" is a trade name for the mineral zoisite, no relation to diamond.

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It all depends on the quality. A 1 carat A-quality Tanzanite can cost a couple hundred dollars where a AAAA-quality Tanzanite can cost thousands of dollars. The same holds true for diamonds.

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Tanzanite is found in an area where there are no diamonds. Natural tanzanite is endemic only to the Mererani Hills of Northern Tanzania.

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You can Buy Tanzanite Rings From Mohranet.com they have one the Best Tanzanite Jewelry on Internet. http://www.mohranet.com/gemstone/Loose-Tanzanite-Rings/1 www.Mohranet.com - Gemstone Bracelets, Gemstone Rings, Gemstone Earrings, Pendants, Tanzanite Rings, Diamond Rings, AAA tanzanite Gemstones, Studs, Emerald, Aquamarine rings, Sapphire

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Definately spring steel can be heat treated and it has to be heat treated before it can be functioned as a spring. The common way to heat treat spring steel is by quenching and tempering.

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You find tanzanite @Mt.kilimanjaro tanzanian but its very rare across the world.

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Of course, if this steel is heat treated correctly, may be treated as many times as needed.

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tanzanite retails for approx $1200 to $2000 per carat 16 carats so that would be in the area of $16 to $20,000 Tanzanite prices has increased a lot .. Today Tanzanite which were in Titanic would be around $2000 to $5000 per carat..and that Heart shape was around 50 carats that would be around $170,000. You can Buy Fine Loose Tanzanite, Tanzanite rings, Tanzanite Jewelry and much more from mohranet.com; see link. Gemstone Bracelets, Gemstone Rings, Gemstone Earrings, Pendants, Tanzanite Rings, Diamond Rings, AAA tanzanite Gemstones, Studs, Emerald, Aquamarine rings, Sapphire available at mohranet.com; see link

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Blue topaz or tanzanite or turquoise are all considered birthstones for December.

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It is not a birthstone. Tanzanite is a transparent violetish blue variety of ziosite. Tanzanite has become the most popular gem stone sold today after the diamond, ruby, sapphire, and emerald.

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Tanzanite is mined in Northern Tanzania, on a ridge near Mererani, some 40 km southeast of Arusha.

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AAA quality tanzanite Vb or bV 6/5 or 5/6 has a value of around £250 per ct. TV stores do not usually sell this quality and value should be reduced accordingly For Fine Quality Tanzanite around 2-10 carats value would be around $2000-$5000 per carat. You can get this Top Fine Tanzanite at Mohranet.com http://www.mohranet.com/gemstone/Loose-Tanzanite-Rings/1 www.Mohranet.com - Gemstone Bracelets, Gemstone Rings, Gemstone Earrings, Pendants, Tanzanite Rings, Diamond Rings, AAA tanzanite Gemstones, Studs, Emerald, Aquamarine rings, Sapphire

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heat is treated as a reactant or product

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heat is treated as a reactant or a product

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A sapphire for sure as it is a precious stone, whereas a tanzanite is a semi precious stone.

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It entirely depends on the quality of the stone you buy. Tanzanite can range from $100 per carat to $2000 per carat depending on the quality and of course where you buy. This site has some excellent information on Tanzanite: http://www.lapigems.com


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